One verse

Srimad Bhagavatam 3.12.36

3.12.36

विदुर उवाच स वै विश्वसृजामीशो वेदादीन् मुखतोऽसृजत् । यद् यद् येनासृजद् देवस्तन्मे ब्रूहि तपोधन ॥ ३६ ॥

vidura uvaca sa vai visva-srjam iso vedadin mukhato ’srjat yad yad yenasrjad devas tan me bruhi tapo-dhana

vidurah uvaca
Vidura said
sah
he (Brahma)
vai
certainly
visva
the universe
srjam
of those who created
isah
the controller
veda-adin
the Vedas, etc.
mukhatah
from the mouth
asrjat
established
yat
that
yat
which
yena
by which
asrjat
created
devah
the god
tat
that
me
unto me
bruhi
please explain
tapah-dhana
O sage whose only wealth is penance.

Vidura said: O great sage whose only wealth is penance, kindly explain to me how and with whose help Brahma established the Vedic knowledge which emanated from his mouth.